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The Best Episodes of QI Season 21

Every episode of QI Season 21 ranked from best to worst. Discover the Best Episodes of QI Season 21!

Binge this in 11h 42m•Peaking at 7.5/10

Comedy quiz show full of quirky facts, in which contestants are rewarded more if their answers are 'quite interesting'.

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Episode Rankings

  1. #1 Fan Favorite
    QI Season 21 Episode 1 - All I Want For Christmas Is U
    7.3/10(62 votes)

    #1 - All I Want For Christmas Is U

    S21:E1

    Sandi Toksvig is joined by Eshaan Akbar, Jo Brand, Jimmy Carr, and Alan Davies for a festive special. They'll uncover Santa Claus' whereabouts, why horses make excellent party guests, and why there always seems to be room for Christmas pudding - plus Sandi showcases her super-cool, cutting-edge hidden talent.

    Director:Unknown
    Writer:Unknown

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  2. QI Season 21 Episode 2 - Upside-Down
    6.8/10(59 votes)

    #2 - Upside-Down

    S21:E2

    Sandi Toksvig is joined by Aisling Bea, Urzila Carlson, Romesh Ranganathan and Alan Davies for an upside-down episode.

    Director:Unknown
    Writer:Unknown

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  3. QI Season 21 Episode 3 - United
    7.0/10(57 votes)

    #3 - United

    S21:E3

    Sandi Toksvig, Nabil Abdulrashid, Bill Bailey, Victoria Coren Mitchell and Alan Davies are all in it together for this United episode.

    Director:Unknown
    Writer:Unknown

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  4. QI Season 21 Episode 4 - Unsavoury
    7.1/10(56 votes)

    #4 - Unsavoury

    S21:E4

    Join Sandi Toksvig for a thoroughly Unsavoury episode of QI, with Gyles Brandreth, Judi Love, Kiri Pritchard-McLean and Alan Davies.

    Director:Unknown
    Writer:Unknown

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  5. QI Season 21 Episode 5 - Uncle Sam
    5.9/10(71 votes)

    #5 - Uncle Sam

    S21:E5

    Sandi Toksvig puts the UK-US special relationship under the microscope with Kemah Bob, Alex Edelman, David Mitchell and Alan Davies.

    Director:Unknown
    Writer:Unknown

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  6. QI Season 21 Episode 6 - Ultras
    6.9/10(52 votes)

    #6 - Ultras

    S21:E6

    Sandi Toksvig presents an ultra-interesting episode of QI with Jordan Gray, Jason Manford, Sara Pascoe and Alan Davies.

    Director:Unknown
    Writer:Unknown

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  7. QI Season 21 Episode 7 - Ufology
    7.1/10(51 votes)

    #7 - Ufology

    S21:E7

    Sandi Toksvig dusts off her tinfoil hat for a look at ufology with Cally Beaton, Nish Kumar, Tom Ward and Alan Davies.

    Director:Unknown
    Writer:Unknown

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  8. QI Season 21 Episode 8 - 'U' Animals
    7.5/10(50 votes)

    #8 - 'U' Animals

    S21:E8

    Sandi Toksvig, Rhod Gilbert, Lara Ricote, Ahir Shah and Alan Davies look at some animals beginning with 'U'.

    Director:Unknown
    Writer:Unknown

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  9. QI Season 21 Episode 9 - Unrelated
    7.3/10(50 votes)

    #9 - Unrelated

    S21:E9

    Sandi Toksvig looks at a range of unrelated 'U' topics with Tom Allen, Chris McCausland, Lou Sanders and Alan Davies.

    Director:Unknown
    Writer:Unknown

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  10. QI Season 21 Episode 10 - Upsadaisy
    6.8/10(43 votes)

    #10 - Upsadaisy

    S21:E10

    Sandi Toksvig hosts an 'upsadaisy' episode of QI and is joined by Justin Moorhouse, Emmanuel Sonubi, Holly Walsh and Alan Davies.

    Director:Unknown
    Writer:Unknown

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  11. QI Season 21 Episode 11 - Underthings
    6.7/10(45 votes)

    #11 - Underthings

    S21:E11

    Sandi Toksvig is joined by Maisie Adam, Daliso Chaponda, Jack Dee and Alan Davies for a look at some underthings.

    Director:Unknown
    Writer:Unknown

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  12. QI Season 21 Episode 12 - University
    7.0/10(50 votes)

    #12 - University

    S21:E12

    Sandi Toksvig goes to university with Guz Khan, Joe Lycett, Morgana Robinson and Alan Davies.

    Director:Unknown
    Writer:Unknown

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  13. QI Season 21 Episode 13 - Upbringing
    6.4/10(51 votes)

    #13 - Upbringing

    S21:E13

    Sandi Toksvig takes a look at upbringing with Sally Phillips, Josh Pugh, Aaron Simmonds and Alan Davies.

    Director:Unknown
    Writer:Unknown

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  14. QI Season 21 Episode 14 - Underground and Underwater
    6.6/10(44 votes)

    #14 - Underground and Underwater

    S21:E14

    Sandi is joined by Zoe Lyons, Dan Tiernan, Josh Widdicombe and Alan Davies for an underground and underwater episode of QI.

    Director:Unknown
    Writer:Unknown

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  15. QI Season 21 Episode 15 - Ulex
    6.2/10(49 votes)

    #15 - Ulex

    S21:E15

    Sandi Toksvig is joined by Bridget Christie, Rosie Jones, Cariad Lloyd and Alan Davies to find out about ulex and other obscure U words.

    Director:Unknown
    Writer:Unknown

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  16. QI Season 21 Episode 16 - VG: Part 1
    5.3/10(18 votes)

    #16 - VG: Part 1

    S21:E16

    A selection of the best moments from series U, with Sandi Toksvig, Alan Davies and their guests.

    Director:Unknown
    Writer:Unknown

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  17. QI Season 21 Episode 17 - VG: Part 2
    5.5/10(16 votes)

    #17 - VG: Part 2

    S21:E17

    More of the best moments from the U series of QI, hosted by Sandi Toksvig with Alan Davies and their guests.

    Director:Unknown
    Writer:Unknown

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Season 21 Ratings Summary

"All I Want For Christmas Is U" is the best rated episode of "QI" season 21. It scored 7.3/10 based on 62 votes. Directed by Unknown and written by Unknown, it aired on 12/18/2023. This episode is rated 0.5 points higher than the second-best, "Upside-Down".